Mozilla Firefox before 28.0, Firefox ESR 24.x before 24.4, Thunderbird before 24.4, and SeaMonkey before 2.25 allow remote attackers to bypass the popup blocker via unspecified vectors.
https://security.gentoo.org/glsa/201504-01
http://www.ubuntu.com/usn/USN-2151-1
http://www.securityfocus.com/bid/66207
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.mozilla.org/security/announce/2014/mfsa2014-29.html
http://www.debian.org/security/2014/dsa-2911
http://www.debian.org/security/2014/dsa-2881
http://rhn.redhat.com/errata/RHSA-2014-0316.html
http://rhn.redhat.com/errata/RHSA-2014-0310.html
http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00016.html
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00022.html
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00017.html
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00016.html